30032121331 has 4 divisors (see below), whose sum is σ = 30032766000. Its totient is φ = 30031476664.

The previous prime is 30032121323. The next prime is 30032121367. The reversal of 30032121331 is 13312123003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13312123003 = 17 ⋅783066059.

It is a cyclic number.

It is not a de Polignac number, because 30032121331 - 2³ = 30032121323 is a prime.

It is a super-2 number, since 2×30032121331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30032121299 and 30032121308.

It is not an unprimeable number, because it can be changed into a prime (30032121311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246511 + ... + 347608.

It is an arithmetic number, because the mean of its divisors is an integer number (7508191500).

Almost surely, 2^30032121331 is an apocalyptic number.

30032121331 is a deficient number, since it is larger than the sum of its proper divisors (644669).

30032121331 is an equidigital number, since it uses as much as digits as its factorization.

30032121331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644668.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30032121331 its reverse (13312123003), we get a palindrome (43344244334).

The spelling of 30032121331 in words is "thirty billion, thirty-two million, one hundred twenty-one thousand, three hundred thirty-one".